Did you know that there are other search engines besides google, yahoo, and msn. Some search engines are better at searching for particular items. But you have to look hard to find them. Google or Yahoo are not going to tell you about their competitors. Speaking of Google. "Don't be evil." That is exactly what they are becoming. They are gaining so much power that Google is starting to behave like Microsoft. Just look at the story behind free411. This guys were squashed by Google.
I believe that the only way to make sure to stop the big G from behaving badly, is to limit big G's power. How would you go about it? Support other search technologies. Here you will have a few search engines other than the big three: